GS1560A/GS1561 Data Sheet
6. Package & Ordering Information
6.1 Package Dimensions
Table X
CONTROL DIMENSIONS ARE IN MILLIMETERS.
Table Y
SYMBOL
80L
MILLIMETER
MIN NOM MAX
INCH
MIN NOM MAX
0.22 0.30 0.38 0.009 0.012 0.015
b
e
0.026 BSC
0.486
0.65 BSC
12.35
D2
E2
12.35
0.486
TOLERANCES OF FORM AND POSITION
0.20
0.20
aaa
bbb
0.008
0.008
0.004
0.005
0.10
0.13
ccc
ddd
NOTES:
Diagram shown is representative only. Table X is fixed for all pin sizes, and
Table Y is specific to the 80-pin package.
1. DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION.
ALLOWABLE PROTRUSION IS 0.25mm PER SIDE. D1 AND E1 ARE
MAXIMUM PLASTIC BODY SIZE DIMENSIONS INCLUDING MOLD
MISMATCH.
2. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION.
ALLOWABLE DAMBAR PROTRUSION SHALL NOT CAUSE THE LEAD
WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY MORE THAN
0.08mm. DAMBAR CAN NOT BE LOCATED ON THE LOWER RADIUS
OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSION AND AN
ADJACENT LEAD IS 0.07mm FOR 0.4mm AND 0.5mm PITCH PACKAGES.
27360 - 8 September 2005
78 of 80
GENNUM [ GENNUM CORPORATION ]
